变色字体

时间：2018-07-05 21:38:01 阅读：194 评论：0 收藏：0 [点我收藏+]

标签：compress you plain processor nowrap erp height graph orange

CRect rect;

GetClientRect(hWnd, rect);

HDC hdc = GetDC(hWnd);

HDC memDC = CreateCompatibleDC(hdc);

BITMAPINFO bmi;

bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);

bmi.bmiHeader.biBitCount = 32;

bmi.bmiHeader.biHeight = rect.Height();

bmi.bmiHeader.biWidth = rect.Width();

bmi.bmiHeader.biPlanes = 1;

bmi.bmiHeader.biCompression = BI_RGB;

bmi.bmiHeader.biClrImportant = 0;

bmi.bmiHeader.biClrUsed = 0;

bmi.bmiHeader.biXPelsPerMeter = 0;

bmi.bmiHeader.biYPelsPerMeter = 0;

bmi.bmiHeader.biSizeImage = rect.Width()*rect.Height() * 32 / 8;

HBITMAP bmp = CreateDIBSection(hdc, &bmi, 0, NULL, NULL, 0);

SelectObject(memDC, bmp);

Gdiplus::Graphics *graphics = new Gdiplus::Graphics(memDC);

graphics->SetSmoothingMode(Gdiplus::SmoothingModeAntiAlias);

graphics->SetTextRenderingHint(Gdiplus::TextRenderingHintAntiAlias);

#ifdef _UNICODE

LPWSTR str = (LPWSTR)_lyric;

#else

USES_CONVERSION;

LPWSTR str = A2W(_lyric);

#endif // _UNICODE

Gdiplus::FontFamily fontFamily(L"微软雅黑");

Gdiplus::Font m_pFont(&fontFamily, 48, Gdiplus::FontStyleRegular, Gdiplus::UnitPixel);

Gdiplus::Font m_pFont2(&fontFamily, 48, Gdiplus::FontStyleUnderline, Gdiplus::UnitPixel);//下划线

Gdiplus::StringFormat format;

RectF layoutRect(0, 0, 1000, 100);

RectF boundingBox;

StringFormat strfmt;

strfmt.SetTrimming(StringTrimmingWord);

strfmt.SetFormatFlags(StringFormatFlagsNoWrap);

strfmt.SetLineAlignment(StringAlignmentCenter);

strfmt.SetAlignment(StringAlignmentCenter);

graphics->MeasureString(str, -1, &m_pFont, layoutRect, &strfmt, &boundingBox);

Gdiplus::GraphicsPath stringPath(FillModeAlternate);//创建路径

stringPath.AddString(str, -1, &fontFamily, m_pFont.GetStyle(), 48, boundingBox,&strfmt); //把文字加入路径

graphics->DrawPath(&Pen(Color(150,0,0,0)), &stringPath);//绘制边框

Gdiplus::LinearGradientBrush brush(boundingBox, Color::Blue, Color::Red, LinearGradientModeHorizontal);

int colors[] = { Color::Red ,Color::Orange ,Color::Yellow ,Color::Green ,Color::Cyan,Color::Blue ,Color::Purple };

REAL positions[] = { 0.0f,0.16f,0.33f,0.50f,0.67f,0.83f,1.0f };

brush.SetInterpolationColors((Color*)colors, positions, 7);

graphics->FillPath(&brush, &stringPath);//填充路径

RectF fillrect = boundingBox;

fillrect.Width = (boundingBox.Width*0.2);

stringPath.AddString(str, -1, &fontFamily, m_pFont2.GetStyle(), 48, boundingBox, &strfmt); //把文字加入路径

graphics->IntersectClip(fillrect);

graphics->FillPath(&SolidBrush(Color::Red), &stringPath);

RectF fillrect2 = boundingBox;

fillrect2.X += 500;

fillrect2.Width = (boundingBox.Width*0.2);

graphics->SetClip(fillrect2);

graphics->FillPath(&SolidBrush(Color::Green), &stringPath);

delete graphics;

BLENDFUNCTION bldfun;

bldfun.AlphaFormat = AC_SRC_ALPHA;

bldfun.BlendFlags = 0;

bldfun.BlendOp = AC_SRC_OVER;

bldfun.SourceConstantAlpha = 255;

UpdateLayeredWindow(hWnd, hdc, NULL, &CSize(1000, 100), memDC, &CPoint(0, 0), 0, &bldfun, ULW_ALPHA);

::ReleaseDC(hWnd, hdc);

::DeleteDC(memDC);

DeleteObject(bmp);

变色字体

标签：compress you plain processor nowrap erp height graph orange

原文地址：https://www.cnblogs.com/ye-ming/p/9270027.html

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